Livia loves doing dangerous undercover missions for the thrill, thus her nickname in the Tusainttia Bureau of Investigation, "Crazy Agent". One day, her love for dangerous missions will be put to the test when a cold case from her past resurfaces.

Malia Amoura Gallardo dreamed of becoming a part of Tusainttia Palace's Royal Security Team, and when she did, she did everything to protect not only the royal family but also her position in the royal group. But will she still be able to enjoy living her dream despite the challenges that shaken her love for the man she loves and for her family?

It follows the story of Hayes Arthur who became the King of the Kingdom of Tusainttia at the young age of ten years old.